Linux

General

• commands are case sensitive. (because the file system is case-sensitive)

Commands

also bash, sh, command line, shell, prompts ...

Cmd	meaning	option / switch	note	aval.
pwd	print working directory
cd	change directory
whoami	show user name
mkdir	make directory
ls	list	p-parent;v-verbose;a-show all
echo	echo
cat	concatenate
mv	move	(also for rename)	all to last arg.
cp	copy
rm	remove	r-remove all;i-interactive	DONT USE
rmdir	remove directory	p-parent	only empty
wc	word count	l-line
uniq	only unique lines
man	manual		=help of matlab	X
su	superuser
logout	logout
sudo	su do

Paths

Cmd	meaning
/ (slash)	starting from the root directory
~ (tilde)	starting from my home directory
- (hyphen)	option/switch

file

txt

Cmd	meaning
>	overwrite / replace
>>	append to end

commands

ls -la: -l list, -a all chown -R -v admin: change owner. -R --recursive $0: expands to the name of the shell or shell script, Bash special parameters, read only. https://bash.cyberciti.biz/guide/$0 id -un = whoami

bash terminal setup

http://tldp.org/HOWTO/Bash-Prompt-HOWTO/bash-prompt-escape-sequences.html https://midu.dev/personaliza-el-prompt-de-la-terminal-de-macos/